Q269
In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.
A.
0.5 to 1.5
B.
2.5 to 4.0
AnswerC.
5 to 10
D.
10 to 15
Answer: Option B
Solution
Answer: Option B
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